Home / 1,260,152,948.30-1,890,229,422.45-340,027,810.70

Finding the Fourth Proportional to 1,260,152,948.30, 1,890,229,422.45 and 340,027,810.70

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Solution

The fourth proportional to 1,260,152,948.30, 1,890,229,422.45 and 340,027,810.70 is: 510,041,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,152,948.30 : 1,890,229,422.45 = 340,027,810.70 : x
  2. Step 2: Convert to fraction form
    1,260,152,948.30/1,890,229,422.45 = 340,027,810.70/x
  3. Step 3: Cross multiply
    1,260,152,948.30x = 1,890,229,422.45 × 340,027,810.70
  4. Step 4: Simplify right side
    1,260,152,948.30x = 642,730,572,236,398,976
  5. Step 5: Solve for x
    x = 642,730,572,236,398,976/1,260,152,948.30
  6. Step 6: Final answer
    x = 510,041,716.05

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.